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Oki MB760 Service Manual

Oki MB760
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45641001TH Rev.1
5-44 /
Oki Data CONFIDENTIAL
5.3.7 Other service call
[F100_0] HDD format error (Operation failure of key data)
Classification Contents
Other service call HDD format error: Operation of HDD key data fails.
Check item Measures
Setting Reboottheequipment.
Ifitcannotberecovered,reinstallthesoftwareinthefollowingprocedure.
1. Install the system firmware.
P.8-3“8.2FirmwareUpdatingwithUSBDevice”
[F100_1] HDD format error (HDD encryption key data damaged - one board)
Classification Contents
Other service call HDD format error: Encryption key data of either the SYS board or the
SRAM board for the SYS board are damaged.
Check item Measures
Encryption key status Checkthedisplayedmessage.([3]+[C]+[POWER]
5.Key
Backup Restore)
Take appropriate countermeasures shown in the table below according to the messages displayed
in“SRAMKeyStatus”and“FROMKeyStatus”.
Remarks:
Iftheerrorisnotcleared,reinstallationofthesystemrmware,systemsoftwareandapplication
is needed. ([4]+[9]
Power-ON)
P.8-3“8.2FirmwareUpdatingwithUSBDevice”
SRAMKey
Status
FROMKey
Status
Measure
OK AccessFailed Replace the SYS board.
P.6-18“6.2.4PrecautionsandProcedureswhenreplacingtheSYS
board” (all steps)
OK KeyNull Recover the encryption key on the SYS board.
P.6-18“6.2.4PrecautionsandProcedureswhenreplacingtheSYS
board” ([D]Restore encryption key)
KeyBroken
AccessFailed OK Replace the SRAM board (for the SYS board). (USB backup data are
not used)
P.6-22“6.2.5Precautionsandprocedurewhenreplacingthe
SRAM board (for the SYS board)” (all steps)
KeyNull OK Recover the encryption key on the SRAM board.
P.6-22“6.2.5Precautionsandprocedurewhenreplacingthe
SRAM board (for the SYS board)” ([H]Backup encryption key)
KeyBroken
Keymismatch Keymismatch <The error occurs when the SYS board is replaced>
Recover the encryption key on the CU board.
P.6-18“6.2.4PrecautionsandProcedureswhenreplacingtheSYS
board” ([D]Restore encryption key)
<The error occurs except when the SYS board is replaced>
Replace the SRAM board (for the SYS board).
P.6-22“6.2.5Precautionsandprocedurewhenreplacingthe
SRAM board (for the SYS board)” (all steps)

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Oki MB760 Specifications

General IconGeneral
BrandOki
ModelMB760
CategoryAll in One Printer
LanguageEnglish

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